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An object starts from rest and slides down a frictionless ramp from a height of 10. m. What is the speed of the object at the bottom of the ramp?
Write an equation for calculating horizontal range for any initial speed, cannon angle, and elevation difference between target and cannon. Explain how you arrived at your equation. What basic physics principles did you apply?
a 8.5 kg object undergoes an acceleration of 2.3 ms2.a what is the magnitude of the resultant force acting on it?b if
You have a beach ball which has a radius of 25 cm and a mass of 0.5 kg. You have a lead ball which has the same radius but has a mass of 120 kg. what is the buoyancy force felt by the lead ball
The magnetic field of a cylindrical magnet that has a pole-face diameter of 3.3 cm can be varied sinusoidally between 29.6 T and 30.0 T at a frequency of 10 Hz. That is, as a function of time and in units of Tesla, such magnetic field is given by
A 2.00 kg frictionless block is attached to a horizontal spring as shown. At t = 0, the position x = 0.225 m, and the velocity is 4.25 m/s toward the right in the positive x direction. Position x as a function of t is: x = A*cos(?t ) , where A ..
A 2.0 kg cart has a spring with k = 5000 N/m attached to its front, parallel to the ground. What is the speed of each cart after the collision
Why is the line absorption spectrum appropriate and what does it describe about the process that created the spectrum?
The electric field component of a sinusoidal electromagnetic wave traveling through a plastic cylinder is given by the equation E = (5.35(V/m))cos[(1.39x10^7 (rad/m))x-(3.02x10^15(rad/s))t]
Estimate the radiation pressure due to a 100-W bulb at a distance of 7.0 cm from the center of the bulb. Estimate the force exerted on your fingertip
A merry-go-round in the park can be considered a circular disk of mass 100 kilogram and a radius of 2.0 meter. Obtain the resulting angular velocity of the merry-go-round
A submarine dives to a depth of 266 feet in the ocean. What is the force (in pounds) acting on a hatch that has an area of 3 square feet?
After a fall, a 96 kg rock climber finds himself dangling from the end of a rope that had been 17 m long and 9.9 mm in diameter but has stretched by 3.1 cm. For the rope, calculate (a) the strain, (b) the stress, and (c) the Young's modulus.
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